18457569

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{23}}^1$

素因数の和:99

約数の個数: 48

約数和(自身を含む): 31624320

約数和(自身を除く): 13166751

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 171, 207, 247, 299, 361, 437, 741, 897, 1083, 1311, 2223, 2691, 3249, 3933, 4693, 5681, 6859, 8303, 14079, 17043, 20577, 24909, 42237, 51129, 61731, 74727, 89167, 107939, 157757, 267501, 323817, 473271, 802503, 971451, 1419813, 2050841, 6152523, 18457569]

約数ペア:

[(1, 18457569), (3, 6152523), (9, 2050841), (13, 1419813), (19, 971451), (23, 802503), (39, 473271), (57, 323817), (69, 267501), (117, 157757), (171, 107939), (207, 89167), (247, 74727), (299, 61731), (361, 51129), (437, 42237), (741, 24909), (897, 20577), (1083, 17043), (1311, 14079), (2223, 8303), (2691, 6859), (3249, 5681), (3933, 4693)]